Decided to drop atomic bombs on Hiroshima and Nagasaki, Advocated development of Hydrogen Bomb Refused to drop atomic bombs on China

President Harry S. Truman

Explanation:

The actions given were all undertaken by former President Harry Truman after he took over from President Roosevelt when the latter died in the last year of the second World War.

Truman decided to drop the atomic bombs on Hiroshima and Nagasaki after he realized that a land invasion would cost too many lives. He also supported the development of the Hydrogen bomb which was worse than the atomic bomb and during the Korean War, he refused to drop atomic bombs on China because he saw that it would escalate the conflict.

but equal

explanation:

plessy v. ferguson (1896) is an important us supreme court decision that kept racial segregation based on "separate but equal". however, these racially segregated trains and places were not actually equal. plessy v. ferguson (1896) was finally overturned by brown v. board of education in 1954.